Avidity Partners Management LP Prothena Corp Public LTD CO Transaction History

Avidity Partners Management LP

7 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2023 Nov 14, 2023	SELL	$47.3 - $70.6 $7.22 Million - $10.8 Million	-152,695 Reduced 28.54%	382,305 $18.4 Million
Q2 2023 Aug 14, 2023	SELL	$48.26 - $78.59 $25.7 Million - $41.9 Million	-533,200 Reduced 49.92%	535,000 $36.5 Million
Q1 2023 May 15, 2023	SELL	$46.97 - $58.27 $88.5 Million - $110 Million	-1,884,800 Reduced 63.83%	1,068,200 $51.8 Million
Q4 2022 Feb 14, 2023	BUY	$52.05 - $65.0 $51.3 Million - $64.1 Million	986,000 Added 50.13%	2,953,000 $178 Million
Q3 2022 Nov 14, 2022	BUY	$25.16 - $60.63 $49.5 Million - $119 Million	1,967,000 New	1,967,000 $119 Million
Q3 2021 Nov 15, 2021	SELL	$48.2 - $78.89 $8.77 Million - $14.4 Million	-182,000 Closed	0 $0
Q2 2021 Aug 16, 2021	BUY	$21.63 - $57.65 $3.94 Million - $10.5 Million	182,000 New	182,000 $9.36 Million

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44.5M

601K

259K

Ticker PRTA
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 46,922,800
Market Cap $602M
Description
Prothena Corporation plc, a late-stage clinical company, focuses on discovery and development of novel therapies for life-threatening diseases in the United States. The company is involved in developing Birtamimab, an investigational humanized antibody that is in Phase III clinical trial for the treatment of AL amyloidosis; Prasinezumab, a human...

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